The ribs sternum and xiphoid process form the thoracic cage. Introduction to the Skeletal System. Axial Appendicular Skeleton Human Skeletal System Medical Anatomy Skeletal System Anatomy Axial Skeleton The axial skeleton contains 80 bones. . The appendicular skeleton of a horse. The appendicular skeleton is made up of the bones of the upper and lower limbs that help in locomotion. You will read about the cells tissues and membranes that make up our bodies and how our major systems function to help us develop and stay healthy. Humans are vertebrates animals having a vertabral column or backboneThey rely on a sturdy internal frame that is centered on a prominent spineThe human skeletal system consists of bones cartilage ligaments and tendons and accounts for about 20 percent of the body weight. Axial skeleton and Appendicular skeleton. The Human Skeleton can be divided up into two parts the axial Skeleton and the appendicul...